13313929 has 8 divisors (see below), whose sum is σ = 13917960. Its totient is φ = 12719616.

The previous prime is 13313917. The next prime is 13313933. The reversal of 13313929 is 92931331.

13313929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 547600 + 12766329 = 740^2 + 3573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13313929 - 2⁷ = 13313801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13313929.

It is not an unprimeable number, because it can be changed into a prime (13313939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (1739745).

Almost surely, 2^13313929 is an apocalyptic number.

It is an amenable number.

13313929 is a deficient number, since it is larger than the sum of its proper divisors (604031).

13313929 is an equidigital number, since it uses as much as digits as its factorization.

13313929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859.

The product of its digits is 4374, while the sum is 31.

The square root of 13313929 is about 3648.8257015100. The cubic root of 13313929 is about 237.0111325457.

The spelling of 13313929 in words is "thirteen million, three hundred thirteen thousand, nine hundred twenty-nine".